Huasu Tablet is the trade name of the drug, its generic name is Cedi Iodine Container Tablet, the main ingredient is molecular iodine, Huasu Tablet can be used for the treatment of pharyngitis. The drug is an over-the-counter medication commonly used in otorhinolaryngology and stomatology, and is often used in the treatment of chronic pharyngolaryngitis, oral ulcers, chronic gingivitis, periodontal disease and other diseases, and is contraindicated for patients who are allergic to iodine. If long-term use of cediriodine tablets, you need to pay attention to the side effects, because the drug can appear tongue coloring, can also appear mental depression, and even skin itching, rash and other adverse reactions, if these symptoms need to stop the drug immediately.